[PD] Gem server and client solution

[Csaba Láng]

Gents,

thanks for the ideas. Of course the topic is still opened, I just have to
make some researches to find the best solutions.
Any news idea are more than welcome. And of course I will keep everyone
updated.

Will be back soon:

Popesz

On Mon, Apr 27, 2015 at 6:43 PM, Antoine Villeret <
antoine.villeret at gmail.com> wrote:

> one other solution which comes to my mind is VirtualGL [1]
> I use it to display OpenGL content on remote computer.
> It sounds like what Csaba tries to do, but I don't know it's resolution
> limitation.
>
>
> [1] : http://www.virtualgl.org/
>
> Le lun. 27 avr. 2015 à 18:31, Cyrille Henry <ch at chnry.net> a écrit :
>
>> well,
>> the aim is not to render the image on the server and distribute part on
>> the client, but to distribute the openGL rendering on the many client.
>>
>> maybe somthing like chromium could help :
>> http://chromium.sourceforge.net/
>> but i never tried it, I have no idea of how texture sharing, or multi
>> pass rendering can be created with this kind of system.
>>
>> An other solution is to render exactlly le same pacth on every client.
>> the only diference is a "camera" message to the gemwin.
>>
>>
>> cheers
>> c
>>
>> Le 27/04/2015 18:09, Antoine Villeret a écrit :
>> > yes it is, BUT the bottleneck will be the -- as often -- the readback.
>> > Once you create a 7680x3240px texture you need to read it back from the
>> GPU to the host memory to send it to other.
>> > There are several ways to do that and without GPU texture compression
>> I'm pretty sure you can't achieve more than 1 fps at this resolution even
>> with the more expensive graphic card you can use gem with.
>> > Concerning hardware texture compression, you may be interested in HAP
>> codec (though I don't know if live encoding is available) and nvenc
>> technology.
>> > I think there is an embryonal external for the former but don't know
>> any work in Pd with the latter.
>> >
>> > so yes it is possible (like everything) but it's a huge challenge and
>> I'll be happy to read how you achieve it :-)
>> >
>> > +
>> > a
>> >
>> > --
>> > do it yourself
>> > http://antoine.villeret.free.fr
>> >
>> > 2015-04-27 17:28 GMT+02:00 Csaba Láng <langcsaba at gmail.com <mailto:
>> langcsaba at gmail.com>>:
>> >
>> >     Dear list,
>> >
>> >     is it possible to create a media server with Gem, so I can create
>> on the server a resolution of [dimen 7680x3240(, and through network send
>> to each client one part of the Gem window, so I can have a resolution on a
>> 4x3 matrix video wall with fullHD for each display.
>> >
>> >     Thanks in advance!
>> >
>> >     Popesz
>> >
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